WALAI AutoLIB – RSSRSSWALAI AutoLibIntroduction to operations research /Frederick S. Hillier, Gerald J. Lieberman.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00031916<img src="https://www.opac.sskru.ac.th/bookcover/31916/31916-fc-t.gif" align="left" height="150" width="120"/>130107Introduction to management science :a modeling and case studies approach with spreadsheets / Frederick S. Hillier, Mark S. Hillier ; cases developed by Karl Schmedders, Molly Stephens.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00001203<img src="https://www.opac.sskru.ac.th/bookcover/1203/1203-fc-t.gif" align="left" height="150" width="120"/>520308